Can we boost the immune system

Introduction Can ginger shots, turmeric and cold water swimming boost your immune system? Georgie and Neil hear from experts and teach you some vocabulary. This week's question How many colds does the average adult get in the UK each year? a) 2-3 b) 4-5 c) 7-8 Listen to the programme to hear the answer. Vocabulary touch wood an expression used in spoken English in order to avoid bad luck snuffles/sniffles minor illnesses that affect your nose back me up an expression used in conversation to ask someone to say something to support your opinion tickety-boo fine and in good order dampen (something) make something weaker  prone to (something) likely to be negatively affected by something TRANSCRIPT Note: This is not a word-for-word transcript. Georgie Hello, this is 6 Minute English from BBC Learning English. I'm Georgie. Neil And I'm Neil. In this programme we're talking about the immune system, which is the body's natural defence against getting ill. Now, Georgie, is there anything you do to boost your immune system? Georgie Yes. I try to eat lots of oranges, which apparently have lots of vitamin C, and there are lots of things people do to try to improve their immune system, and stay healthier, like eating certain foods, taking vitamins, or even activities like swimming in cold water. We'll find out how useful some of these techniques are in today's programme. Neil But first, Georgie, a question. We all know the common cold – now, that’s the illness that makes you cough and sneeze, have a sore throat and headache. But how many colds does the average adult get in the UK each year? Is it: a)    2-3? b)    4-5? Or c)    7-8? Georgie Eight would be a lot. I'm going to go with a) 2-3 colds a year. Neil Well, we'll find out at the end of the programme if you're right. Now, many people can become ill over the winter with diseases like colds, flu and Covid-19. Host of BBC Radio 4 programme Inside Health, James Gallagher, gathered some experts to talk about immune systems, and he started off by asking whether they'd had more illnesses than usual this winter. James Gallagher Hello! [Hi.] Right, how has everyone been this winter? Because I've had a rotten one and I have felt constantly ill since about November. John? John Tregoning I have not had anything yet, touch wood. James Gallagher OK, let's see what I can infect you with by the end of the show. Margaret? Margaret McCartney I was pretty unwell in September. I had what I presume to be Covid. But I've been alright since, mild snuffles aside. James Gallagher Eleanor, I really need someone to back me up. Eleanor Riley No, sorry, I've been absolutely 100% tickety-boo. Georgie Unlike James, Professor John Tregoning hasn't been ill. John uses the expression touch wood, which is an informal phrase said in order to avoid bad luck. Neil Doctor Margaret McCartney was unwell in September but has only had a few snuffles since. Snuffles is an informal word used to describe minor illnesses that affect your nose. We can also say sniffles. Georgie Host James is surprised that nobody has been ill, and says to Professor Eleanor Riley 'back me up'. If you ask someone to back you up, you are asking for them to say something which supports your opinion. Neil But Eleanor has had a healthy winter too. She's been tickety-boo, which is an informal phrase meaning everything's fine or in good order. Georgie Throughout the winter, many people try different techniques, like taking supplements or eating certain foods to boost their immune system, to improve their body's natural defences against disease. Host of BBC Radio 4's Inside Health James Gallagher asks doctor Margaret McCartney whether some of these products are successful. James Gallagher OK quick-fire round Margaret. Echinacea? Margaret McCartney No. James Gallagher Turmeric? Margaret McCartney No. James Gallagher Ginger shots? Margaret McCartney No. James Gallagher This is a very, very good quiz! What about the stuff you squirt up your nose when you're at the beginning of an infection? Margaret McCartney Interesting, but not any better than normal saline spray – just salt water. Neil In fact, according to Margaret, there isn't enough evidence that many popular health products can actually change the way your immune system works. Georgie Another popular health trend in the UK is cold water swimming. People who swim in cold water say it's good for their mental health, and they also believe it makes them less likely to get ill during the winter months. Neil But scientists aren't sure about the benefits of cold water swimming for the immune system yet, as Professor John Tregoning explains to BBC Radio 4’s Inside Health. John Tregoning The social element actually is really important. It probably is beneficial to do. You reduce stress and cortisol dampens the immune system, so actually if you're stressed then maybe you are more prone to infection. And that may be why that benefit of being with people, nice people that you like in nice places, is helping. But I don’t think it's unique to cold water swimming. I think you could probably get it from dancing or singing or going for a run. Georgie John says that cortisol, a chemical associated with stress, dampens the immune system. Here, dampens means makes weaker. We also have a common expression 'dampen someone’s spirits' which means to make them less enthusiastic about something. Neil John says that there is evidence that people who are stressed are more prone to infection. If you're more prone to something, it’s more likely to happen to you. Georgie It could be that cold water swimming reduces stress, and so it helps people’s immune systems work well. But there are lots of other activities that could have the same effect, and help people have fewer colds over winter. Neil Which reminds me of my question, Georgie. I asked how many colds the average UK adult has a year. Georgie And I said 2-3. Neil And that is the correct answer, so well done! Georgie Thank you! OK, let's recap the vocabulary we've learned, starting with touch wood, which is an expression used, often in speech, to avoid bad luck.  Neil Snuffles, or sniffles, are minor illnesses that affect your nose. Georgie If you ask someone to back you up, you want them to say something to support your opinion. Neil The expression tickety-boo means fine and in good order. Georgie If you dampen something you make it weaker. And the expression dampen someone's spirits means you make them less enthusiastic about something. Neil And if you're more prone to something, it's more likely to happen to you. Georgie Once again our 6 minutes are up, but you can test what you've learned with the free interactive quiz on our website. Neil Bye for now. Georgie Goodbye! Beth Thanks for listening to this podcast from BBC Learning English. Continue your learning on our website with courses, quizzes and programmes to improve your English. Visit bbclearningenglish.com.